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48 Troubleshooting
UM5C06D ( 169-2071-504 ) P0831010 Standard 7.00 May 2001
SEN FAIL fault
Fault symptom Possible causes
One or both remote sense leads is disconnected.
DC breaker is open.
Rectifier is still in walk-in.
SEN FAIL
Sense leads are reversed.
Erratic load fault
Fault symptom Possible causes
Erratic load
Requirement exceeds total rectifier capacity.
Current or voltage float fault
Fault symptom Possible causes
With paralleled units, the float and/or equalize is
misadjusted causing one or more units to carry the load.
Unit is in 'equalize' mode and paralleled units are not.
Remote sense lead has excessive impedance or are not
connected on one or more rectifiers.
System batteries are in a recharge mode after AC
outage.
Current share mode selection is not the same for all
units.
Current or voltage
float
Forced share line is disconnected. (in FS only)